UD-14-PLUS+ embedded DDM Technology can 100% maintain the compatibility of the shared devices and connected systems. UD-14-PLUS+ becomes the most reliable and robust DVI KVM switch in the world. The UD-14-PLUS, as with all ConnectPRO KVM switches, features all-the-time active DDC/EDID communication, which makes this switch Windows 7 compatible. Features and Benefits Supports USB 2.0 speeds Features 1080p DVI-I display resolution Includes Hot-Key controls. This new enhanced 2 and 4-port USB KVM switch is built with ConnectPRO patented DDM technology. With the advanced Dual-Core technology this KVM can easily be considered the most reliable and stable solution on the market when it comes to switching 100% USB HID devices and DVI-I video between multiple computers.